Staff Data Scientist (Growth Marketing)

Coupang is reimagining the shopping experience with the goal of wowing each customer from the instant they open the Coupang app to the moment an order is delivered to their door. Powered by an outstanding end-to-end commerce and logistics network and a fanatical culture of customer centricity, Coupang has broken tradeoffs around speed, selection and price. Today, we provide exceedingly fast shipping speeds on millions of items including fresh groceries, delivered within hours nationwide, 365 days a year.We are doing this for millions of consumers in Korea. Korea is home to one of the largest and fastest growing e-commerce opportunities anywhere in the world.🏢 Location: Seoul, South Korea 📁 Team: Growth Marketing – Incrementality and Attribution Science📅 Experience Level: 6+ years🎓 Education: Advanced degree in Statistics, Data Science, Computer Science, Mathematics, or related field[About the Role]We are looking for a seasoned Marketing Decision Scientist to join our Growth Marketing team as a senior individual contributor. This role is ideal for someone who combines deep technical expertise with strong business intuition to uncover insights that drive smarter marketing investments.You must have a strong understanding of incrementality measurement, A/B testing, attribution modeling, and Marketing Mix Modeling (MMM). Your core responsibility is to dig into data, identify channel efficiency trends, automate the drill-down process and deliver actionable insights that help marketing leaders optimize spend and performance across channels.[Key Responsibilities]Analyze large-scale marketing data to uncover trends, diagnose performance shifts, and identify optimization opportunities.Provide strategic insights into channel efficiency, investment effectiveness, and incrementality signals.Partner closely with channel owners (e.g., affiliate, search, display) to translate data into actionable recommendations.Interpret results from experiments and attribution models and contextualize them for business decision-making.Build dashboards, reports, and deep-dive analyses using SQL and Python to support ongoing marketing strategy.[Qualifications]10+ years of experience in marketing analytics, decision science, or data science roles.Expert-level proficiency in SQL and Python for data exploration, analysis, and visualization.Experience in data visualization tools, like Tableau.Strong conceptual understanding of incrementality, causal inference, attribution modeling, and MMM.Proven ability to translate complex data into clear, actionable business insights.Advanced degree (PhD or Master’s) in Statistics, Data science, Computer Science, Mathematics, or a related quantitative field.Excellent communication skills and stakeholder management experience.[Preferred Skills]Familiarity with tools like Robyn or CausalImpact.Experience working with marketing platforms (e.g., Naver, Google Ads, Meta).Background in e-commerce or performance marketing environments.Experience collaborating with data science and experimentation teams.Office: Seoul, South Korea[Recruitment Process and Others]Recruitment ProcessApplication Review (영문지원서 필수)- Virtual Interview(including SQL&Python coding interview) – OfferThe exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.Details to ConsiderThis job posting may be closed prior to the stated end date for application if all openings are filled.Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.Privacy NoticeYour personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. https://www.coupang.jobs/en/privacy-policy/Document Return PolicyThis notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act. However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company. In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company (Coupang Recruiting Team, Tower 730, 570 Songpa-daero, Songpa-gu, Seoul). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail. Please be informed that the job applicant is required to pay the postage on the registered mail.In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process. If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.Equal Opportunities for AllCoupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.